FD ISO/TR 10064-5

August 2006

Published document Current

Cylindrical gears - Code of inspection practice - Part 5 : recommendations relative to evaluation of gear measuring instruments

ISO/TR 10064-5:2005 provides additional information and examples to support the implementation of ISO 18653. It proposes evaluation and calibration procedures for involute, helix, pitch, runout, and tooth thickness measurement processes. Methods are given for evaluation of the condition and alignments of instrument elements such as centres, guideways, probe systems, etc. Recommendations are included for establishment of a proper environment and for statistical data evaluation procedures. It also covers the application of gear artefacts to the estimation of U95 measurement process uncertainty. Guidance on the application of measurement processes to the inspection of product gears is provided, including fitness for use and the recommended limits for U95 uncertainty based upon the accuracy tolerances of product gears to be inspected. Many of its recommendations may also be applicable to the measurement of worms, worm wheels, bevel gears and gear cutting tools

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Main informations

Collections

National standards and national normative documents

Publication date

August 2006

Number of pages

0 p.

Reference

FD ISO/TR 10064-5

ICS Codes

21.200 Gears

Classification index

E23-008-5

Print number

1 - 08/09/2006

International kinship

ISO/TR 10064-5:2005

Sumary

Cylindrical gears - Code of inspection practice - Part 5 : recommendations relative to evaluation of gear measuring instruments

ISO/TR 10064-5:2005 provides additional information and examples to support the implementation of ISO 18653. It proposes evaluation and calibration procedures for involute, helix, pitch, runout, and tooth thickness measurement processes. Methods are given for evaluation of the condition and alignments of instrument elements such as centres, guideways, probe systems, etc. Recommendations are included for establishment of a proper environment and for statistical data evaluation procedures. It also covers the application of gear artefacts to the estimation of U₉₅ measurement process uncertainty. Guidance on the application of measurement processes to the inspection of product gears is provided, including fitness for use and the recommended limits for U₉₅ uncertainty based upon the accuracy tolerances of product gears to be inspected. Many of its recommendations may also be applicable to the measurement of worms, worm wheels, bevel gears and gear cutting tools

Table of contents

Avant-propos
v
1 Domaine d'application
1
2 Références normatives
1
3 Termes et définitions
2
4 Environnement de l'instrument
2
4.1 Environnement
2
4.2 Effet de la température sur les engrenages et les artéfacts
4
5 État du système de mesure
6
5.1 Mode d'évaluation des instruments génératifs
6
5.2 Modes opératoires d'évaluation pour les instruments de mesure de type MMT
14
5.3 Système de palpage
17
5.4 Filtrage
21
5.5 Estimation de l'incertitude
22
6 Artéfacts
22
6.1 Caractéristiques de référence du montage
23
6.2 Artéfacts étalons suggérés
23
6.3 Essais des artéfacts de développante à cercle de base modifié
29
6.4 Artéfacts de broche (cylindrique), de plan (flanc) et de bille (sphérique) de forme autre que de développante
29
6.5 Essais des artéfacts d'hélice
33
6.6 Essais des artéfacts de pas à excentricité modifiée
34
7 Directives relatives à l'estimation de l'incertitude
34
7.1 Méthodes d'estimation de l'incertitude
34
7.2 Calcul de l'incertitude de mesure U95
36
7.3 Paramètres de mesure
36
8 Modes opératoires de mesure
38
8.1 Traçabilité
38
8.2 Conditions de fonctionnement
38
8.3 Mesurages
38
8.4 Mode opératoire d'étalonnage
39
9 Lignes directrices relatives à l'estimation de l'incertitude de mesure par comparaison
40
9.1 Exemple de comparaison directe A
40
9.2 Approche par comparaison, étendue à l'influence des caractéristiques de la pièce de fabrication
42
9.3 Approche par comparaison, étendue à l'influence des caractéristiques de la pièce de fabrication et de la similarité de la géométrie
45
10 Contrôle statistique du procédé
46
10.1 Définitions
46
10.2 Construction des cartes X et MR
46
10.3 Critères indiquant un manque de contrôle
47
10.4 Non-respect d'un ou de plusieurs critères de 10.3
49
11 Aptitude à l'emploi d'un instrument
49
11.1 Limitation de l'incertitude de mesure
49
11.2 Sources d'incertitude de mesure
52
11.3 Réduction de l'incertitude de mesure
53
12 Corrélation entre les modes de mesure (instrument)
54
12.1 Base de comparaison
54
12.2 Corrélation entre mesurages
54
Annexe A (informative) Effet de la température sur les engrenages et les artéfacts
55
Annexe B (informative) Essais d'artéfacts de développante, d'hélice et de pas modifiés
61
Annexe C (informative) Interprétation des artéfacts de broche, de bille ou de plan (flanc) en forme autre que de développante
72
Bibliographie
92

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